Painting (Oil on Canvas, Framed) An Interior with a Young Violinist, after Gerrit Dou, 17th Century?

Unsigned and undated painting of a young man in his study holding a stringed instrument and accompanied by a globe, books and music. The painting is a copy after 'An Interior with a Young Violinist' by Gerrit Dou, 1637, which forms part of the collections of the National Galleries of Scotland (Accession No. NG 2420). The reverse of the frame has a copper alloy eye hook and wire hanging system.